@misc{indiciae971008dcfefa,
  title = {Territoriality and non-random mating in sage grouse, Centrocercus urophasianus — Illustration, BHL page 41157779},
  year = {1973},
  url = {https://www.biodiversitylibrary.org/page/41157779},
  note = {Source identifier: page-41157779}
}